Dimensions: Single-sided 30 mm x 22 mm x 2.23 mm (1.18" x 0.87" x 0.09") Weight: 4g (0.14 oz) M.2 Type: M.2 2230 Capacity: 256GB / 512 GB Interface: NVMe PCIe Gen3x4 Storage Media: 3D NAND flash Max. Seq. Read/Write (CDM): Read: 2,000MB/s | Write: 1,100MB/s Max. 4K Random Read/Write (IOmeter): Read: 90,000 IOPS | Write: 220,000 IOPS